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XP17 SERIES
Operating and Temperature Pressures
Minor variations in these pressures may be expected due to differences in installations. Significant differences could mean
that the system is not properly charged or that a problem exists with some component in the system. The normal operating
pressures listed here are also located on the unit charging sticker located on the unit access panel.
Table 10. Normal Operating Pressure − Liquid +10 and Vapor +5 PSIG*
IMPORTANT
Use this table to perform maintenance checks; it is not a procedure for charging the
system. Minor variations in these pressures may be due to differences in installations.
Significant deviations could mean that the system is not properly charged or that a
problem exists with some component in the system.
Model XP17−024 XP17−030 XP17−036 XP17−042 XP17−048 XP17−060
Heating Operation
5F (5C)** Liquid Vapor Liquid Vapor Liquid Vapor Liquid Vapor Liquid Vapor Liquid Vapor
20 (−6.6) 291 65 303 63 280 60 288 59 324 63 330 58
30 (−1.1) 309 79 328 77 290 74 306 68 345 76 354 72
40 (4.4) 319 94 338 92 310 88 320 85 366 91 368 83
50 (10.0) 340 110 366 110 326 105 339 107 398 109 391 107
60 (15.5) 361 129 387 128 344 124 361 125 428 127 413 126
Cooling Operation
65 (18.3) 233 143 234 137 227 137 234 138 240 136 238 133
70 21.1) 250 144 251 139 243 139 250 139 256 138 256 135
75 (23.9) 269 145 270 141 262 140 269 141 275 139 278 136
80 (26.7) 289 147 291 142 284 141 292 143 297 140 299 137
85 (29.4) 310 148 312 143 306 142 315 144 319 141 322 138
90 (32.2) 332 149 335 145 329 143 337 146 342 142 344 139
95 (35.0) 356 150 358 146 354 144 362 147 366 144 369 140
100 (37.8) 379 151 383 147 377 144 386 148 392 144 395 141
105 (40.6) 405 152 408 148 406 147 415 147 418 146 422 142
110 (43.3) 431 153 433 149 434 148 442 148 446 148 450 143
115 (46.1) 456 155 462 150 463 150 472 150 475 150 481 145
*These are most−popular−match−up pressures. Indoor match up, indoor air quality, and indoor load cause pressures to vary.
**Temperature of the air entering the outdoor coil.
Table 11. HFC−410A Temperature (°F) − Pressure (Psig)
°F Psig °F Psig °F Psig °F Psig °F Psig °F Psig °F Psig °F Psig
32 100.8 48 137.1 63 178.5 79 231.6 94 290.8 110 365.0
125 445.9
141 545.6
33 102.9 49 139.6 64 181.6 80 235.3 95 295.1 111 370.0 126 451.8 142 552.3
34 105.0 50 142.2 65 184.3 81 239.0 96 299.4 112 375.1 127 457.6 143 559.1
35 107.1 51 144.8 66 187.7 82 242.7 97 303.8 113 380.2 128 463.5 144 565.9
36 109.2 52 147.4 67 190.9 83 246.5 98 308.2 114 385.4 129 469.5 145 572.8
37 111.4 53 150.1 68 194.1 84 250.3 99 312.7 115 390.7 130 475.6 146 579.8
38 113.6 54 152.8 69 197.3 85 254.1 100 317.2 116 396.0 131 481.6 147 586.8
39 115.8 55 155.5 70 200.6 86 258.0 101 321.8 117 401.3 132 487.8 148 593.8
40 118.0 56 158.2 71 203.9 87 262.0 102 326.4 118 406.7 133 494.0 149 601.0
41 120.3 57 161.0 72 207.2 88 266.0 103 331.0 119 412.2 134 500.2 150 608.1
42 122.6 58 163.9 73 210.6 89 270.0 104 335.7 120 417.7 135 506.5 151 615.4
43 125.0 59 166.7 74 214.0 90 274.1 105 340.5 121 423.2 136 512.9 152 622.7
44 127.3 60 169.6 75 217.4 91 278.2 106 345.3 122 428.8 137 519.3 153 630.1
45 129.7 61 172.6 76 220.9 92 282.3 107 350.1 123 434.5 138 525.8 154 637.5
46 132.2 62 175.4 77 224.4 93 286.5 108 355.0 124 440.2 139 532.4 155 645.0
47 134.6 78 228.0 109 360.0 140 539.0